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1380336 = 243149193
BaseRepresentation
bin101010000111111110000
32121010110120
411100333300
5323132321
645330240
714506206
oct5207760
92533416
101380336
11863081
12566980
13394389
1427d076
151c3ec6
hex150ff0

1380336 has 40 divisors (see below), whose sum is σ = 3608400. Its totient is φ = 454656.

The previous prime is 1380329. The next prime is 1380341. The reversal of 1380336 is 6330831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7056 + ... + 7248.

It is an arithmetic number, because the mean of its divisors is an integer number (90210).

21380336 is an apocalyptic number.

1380336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1380336 is an abundant number, since it is smaller than the sum of its proper divisors (2228064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1380336 is a wasteful number, since it uses less digits than its factorization.

1380336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1380336 is about 1174.8770148403. The cubic root of 1380336 is about 111.3426631916.

The spelling of 1380336 in words is "one million, three hundred eighty thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 149 193 298 386 447 579 596 772 894 1158 1192 1544 1788 2316 2384 3088 3576 4632 7152 9264 28757 57514 86271 115028 172542 230056 345084 460112 690168 1380336